NiFi config file

login-identity-providers.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<!--
    This file lists the login identity providers to use when running securely. In order
    to use a specific provider it must be configured here and it's identifier
    must be specified in the nifi.properties file.
-->
<loginIdentityProviders>
    <!--
        Identity Provider for users logging in with username/password against an LDAP server.
        
        'Authentication Strategy' - How the connection to the LDAP server is authenticated. Possible
            values are ANONYMOUS, SIMPLE, or START_TLS.
        
        'Manager DN' - The DN of the manager that is used to bind to the LDAP server to search for users.
        'Manager Password' - The password of the manager that is used to bind to the LDAP server to
            search for users.
            
        'TLS - Keystore' - Path to the Keystore that is used when connecting to LDAP using START_TLS.
        'TLS - Keystore Password' - Password for the Keystore that is used when connecting to LDAP
            using START_TLS.
        'TLS - Keystore Type' - Type of the Keystore that is used when connecting to LDAP using
            START_TLS (i.e. JKS or PKCS12).
        'TLS - Truststore' - Path to the Truststore that is used when connecting to LDAP using START_TLS.
        'TLS - Truststore Password' - Password for the Truststore that is used when connecting to
            LDAP using START_TLS.
        'TLS - Truststore Type' - Type of the Truststore that is used when connecting to LDAP using
            START_TLS (i.e. JKS or PKCS12).
        'TLS - Client Auth' - Client authentication policy when connecting to LDAP using START_TLS.
            Possible values are REQUIRED, WANT, NONE.
        'TLS - Protocol' - Protocol to use when connecting to LDAP using START_TLS. (i.e. TLS,
            TLSv1.1, TLSv1.2, etc).
        'TLS - Shutdown Gracefully' - Specifies whether the TLS should be shut down gracefully 
            before the target context is closed. Defaults to false.
            
        'Referral Strategy' - Strategy for handling referrals. Possible values are FOLLOW, IGNORE, THROW.
        'Connect Timeout' - Duration of connect timeout. (i.e. 10 secs).
        'Read Timeout' - Duration of read timeout. (i.e. 10 secs).
       
        'Url' - Url of the LDAP servier (i.e. ldap://<hostname>:<port>).
        'User Search Base' - Base DN for searching for users (i.e. CN=Users,DC=example,DC=com).
        'User Search Filter' - Filter for searching for users against the 'User Search Base'.
            (i.e. sAMAccountName={0}). The user specified name is inserted into '{0}'.
            
        'Authentication Expiration' - The duration of how long the user authentication is valid
            for. If the user never logs out, they will be required to log back in following
            this duration.
    -->
    <!-- To enable the ldap-provider remove 2 lines. This is 1 of 2. 
    <provider>
        <identifier>ldap-provider</identifier>
        <class>org.apache.nifi.ldap.LdapProvider</class>
        <property name="Authentication Strategy">START_TLS</property>

        <property name="Manager DN"></property>
        <property name="Manager Password"></property>

        <property name="TLS - Keystore"></property>
        <property name="TLS - Keystore Password"></property>
        <property name="TLS - Keystore Type"></property>
        <property name="TLS - Truststore"></property>
        <property name="TLS - Truststore Password"></property>
        <property name="TLS - Truststore Type"></property>
        <property name="TLS - Client Auth"></property>
        <property name="TLS - Protocol"></property>
        <property name="TLS - Shutdown Gracefully"></property>
        
        <property name="Referral Strategy">FOLLOW</property>
        <property name="Connect Timeout">10 secs</property>
        <property name="Read Timeout">10 secs</property>

        <property name="Url"></property>
        <property name="User Search Base"></property>
        <property name="User Search Filter"></property>

        <property name="Authentication Expiration">12 hours</property>
    </provider>
    To enable the ldap-provider remove 2 lines. This is 2 of 2. -->

    <provider>
        <identifier>kerberos-provider</identifier>
        <class>org.apache.nifi.kerberos.KerberosProvider</class>
        <property name="Default Realm">NIFI.APACHE.ORG</property>
        <property name="Kerberos Config File">/etc/krb5.conf</property>
        <property name="Authentication Expiration">12 hours</property>
    </provider>
</loginIdentityProviders>